September Weather in Brackettville, United States

Last updated: June 24, 2025

In September, the average temperature in Brackettville, United States reaches a warm 28°C (83°F). However, be prepared for a range, as the temperature can dip to a minimum of 12°C (54°F) and soar up to a blazing 41°C (106°F). With 168 mm (6.6 in) of precipitation spread over about 7 days, expect some rain amidst the warmth. The average humidity level sits at 68%, adding to the tropical feel of the month.

September Temperature in Brackettville

In September in Brackettville, the average temperature is 28°C (83°F). Maximums can reach 41°C (106°F), and minimums can be as low as 12°C (54°F). Travelers should prepare for a range of temperatures and stay hydrated while enjoying the warm weather.

September Weather in Brackettville: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Brackettville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brackettville, September typically has an average temperature of 28°C (83°F), with highs reaching up to 41°C (106°F) and lows dropping to around 12°C (54°F).

Data source: Temperature data for Brackettville generated using information from the Copernicus Climate Change Service.

September Precipitation in Brackettville

In Brackettville in September, the precipitation amount is 168 mm (6.6 in) over the course of 7 days.

September Precipitation Trends in Brackettville

The chart displays monthly precipitation patterns in Brackettville, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Brackettville, September typically receives around 168 mm (6.6 inches) of precipitation spread over approximately 7 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Brackettville

In Brackettville in September, humidity is 68%. With an average temperature of 28°C (83°F), this humidity feels like a thick blanket enveloping you, making outdoor excursions somewhat strenuous and the air heavy as you explore.

September Average Humidity in Brackettville

This chart illustrates the average monthly humidity levels in Brackettville, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Brackettville is approximately 68%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Brackettville

In Brackettville in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Brackettville.

Maximum UV Index Levels in Brackettville for September

The chart shows the monthly maximum UV Index (UVI) for Brackettville in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Brackettville typically reaches 11, which falls under the extreme exposure category.

Data source: Brackettville September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How September Weather in Brackettville Compares to Other Months

Weather in Brackettville varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Brackettville, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Brackettville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (54°F)	26 mm (1.0 inches)	76%	moderate
February Weather	14°C (58°F)	30 mm (1.2 inches)	75%	very high
March Weather	20°C (67°F)	31 mm (1.2 inches)	70%	very high
April Weather	23°C (73°F)	49 mm (1.9 inches)	73%	extreme
May Weather	27°C (80°F)	95 mm (3.7 inches)	79%	extreme
June Weather	30°C (86°F)	40 mm (1.6 inches)	78%	extreme
July Weather	31°C (88°F)	38 mm (1.5 inches)	65%	extreme
August Weather	31°C (88°F)	33 mm (1.3 inches)	55%	extreme
September Weather	28°C (83°F)	168 mm (6.6 inches)	68%	extreme
October Weather	23°C (73°F)	62 mm (2.4 inches)	77%	very high
November Weather	17°C (63°F)	18 mm (0.7 inches)	84%	high
December Weather	14°C (57°F)	21 mm (0.8 inches)	87%	moderate